You do need to tape the cables to the bars quite firmly first, before you apply the bar tape. The other thing to look for is to make sure the ends of the cable outers are clean and flat where they have been cut, and to have metal ferrules over the ends wherever they will fit.
You do need to tape the cables to the bars quite firmly first, before you apply the bar tape. The other thing to look for is to make sure the ends of the cable outers are clean and flat where they have been cut, and to have metal ferrules over the ends wherever they will fit.